﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using MultiCommunication.ViewModels;

namespace MultiCommunication.Views
{
    /// <summary>
    /// LogView.xaml 的交互逻辑
    /// </summary>
    public partial class LogView : UserControl
    {
        public LogView()
        {
            InitializeComponent();
            var vm = new LogViewModel();
            DataContext = vm;

            //无参lambda表达式
            vm.ScrollToBottomRequested += () =>
            {
                if (LogListView.Items.Count > 0)
                {
                    var lastItem = LogListView.Items[LogListView.Items.Count - 1];
                    LogListView.ScrollIntoView(lastItem);
                }
            };
            // 然后订阅事件
            //vm.ScrollToBottomRequested += ScrollToBottomHandler;
        }
        // 先定义一个方法
        /*private void ScrollToBottomHandler()
        {
            if (LogListView.Items.Count > 0)
            {
                var lastItem = LogListView.Items[LogListView.Items.Count - 1];
                LogListView.ScrollIntoView(lastItem);
            }
        }*/
    }
}
